Home / 2,798,143.20-3,861,437.40-1,590,919.20

Finding the Fourth Proportional to 2,798,143.20, 3,861,437.40 and 1,590,919.20

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Solution

The fourth proportional to 2,798,143.20, 3,861,437.40 and 1,590,919.20 is: 2,195,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,143.20 : 3,861,437.40 = 1,590,919.20 : x
  2. Step 2: Convert to fraction form
    2,798,143.20/3,861,437.40 = 1,590,919.20/x
  3. Step 3: Cross multiply
    2,798,143.20x = 3,861,437.40 × 1,590,919.20
  4. Step 4: Simplify right side
    2,798,143.20x = 6,143,234,899,258.08
  5. Step 5: Solve for x
    x = 6,143,234,899,258.08/2,798,143.20
  6. Step 6: Final answer
    x = 2,195,468.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.